January Weather in Costieni, Romania

Last updated: August 27, 2025

In January, the average temperature in Costieni, Romania hovers around 0°C (33°F), with minimums dipping to -16°C (3°F) and maximums reaching 15°C (59°F). Expect about 33 mm (1.3 in) of precipitation spread over 6 days, coupled with a high average humidity of 88%. Prepare for chilly and damp conditions!

January Temperature in Costieni

In January in Costieni, the average temperature is 0°C (33°F). Maximum temperatures can reach 15°C (59°F), while minimums can dip as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures during this time.

January Weather in Costieni: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Costieni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costieni, January typically has an average temperature of 0°C (33°F), with highs reaching up to 15°C (59°F) and lows dropping to around -16°C (3°F).

Data source: Temperature data for Costieni generated using information from the Copernicus Climate Change Service.

January Precipitation in Costieni

In Costieni, in January, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

January Precipitation Trends in Costieni

The chart displays monthly precipitation patterns in Costieni, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Costieni, January typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Costieni

In Costieni in January, humidity is 88%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Costieni

This chart illustrates the average monthly humidity levels in Costieni, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Costieni is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Costieni

In Costieni in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Costieni, you can visit Hourly UV Index in Costieni.

Maximum UV Index Levels in Costieni for January

The chart shows the monthly maximum UV Index (UVI) for Costieni in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Costieni typically reaches 2, which falls under the low exposure category.

Data source: Costieni January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Costieni Compares to Other Months

Weather in Costieni varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Costieni, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Costieni, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	33 mm (1.3 inches)	88%	low
February Weather	3°C (38°F)	40 mm (1.6 inches)	85%	moderate
March Weather	6°C (44°F)	41 mm (1.6 inches)	82%	moderate
April Weather	12°C (54°F)	41 mm (1.6 inches)	73%	high
May Weather	18°C (64°F)	50 mm (2.0 inches)	71%	very high
June Weather	22°C (72°F)	88 mm (3.5 inches)	70%	very high
July Weather	24°C (75°F)	70 mm (2.8 inches)	66%	very high
August Weather	25°C (77°F)	19 mm (0.7 inches)	48%	very high
September Weather	20°C (68°F)	21 mm (0.8 inches)	57%	high
October Weather	13°C (56°F)	49 mm (1.9 inches)	79%	moderate
November Weather	7°C (45°F)	37 mm (1.5 inches)	87%	moderate
December Weather	3°C (37°F)	67 mm (2.7 inches)	88%	low